Mr.Heater 80,000 BTU Forced Air Kerosene Heater MH80KTR80,000 BTU Mr. Heater Forced Air Kerosene Heater MH80KTR Product Details Whether you are using it in a garage or on the jobsite, this 80,000 BTU Forced Air Kerosene heater by Mr. Heater is up for the task. Made with a split upper shell designed for easy maintenance and high output fully enclosed motors, you can expect long life and faithful service from your Mr. Heater Forced Air Kerosene heater. Heating up to 1,875 square feet controlled by a factory